1、MIL-R-52499C (ME) 8 February 1983 SUPERSEDING MIL-R-5249 9B 7 July 1971 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should Be addressed to: US Army Mobility Equipment Research and Development Command, ATTN: DRDME-D
2、S , Fort Selvoir, VA 22060 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by MILITARY SPECIFICATION ROLLERS, TOWED, SMOOTH DRUM, VIBRATORY, AIRMOBILE, SINGLE-DRUM This specification is approved for use by all Departme
3、nts and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers a diesel-engine-powered, towed-type, smooth-drum, vibratory roller, 1.2 Classification. Rollers shall be one of the following types, as specified (see 6.2): Type I - 30-inch drum diameter. Type II - 48-inch
4、drum diameter. 2. APPLICABLE DOCUMENTS 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified (see 6.2) , the following specifications and standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specifi
5、ed in the solicitation, form a part of this specification to the extent specified herein. SPECIFICATIONS FEDERAL T-P-664 VV-F-800 Z Z-B- 2 2 5 - Pr her, Coating, Synthetic , Rust- Inhibiting, - Fuel Oil Diesel. - Belts, V: Lacquer-Resisting. Industrial (Multiple Drive). Provided by IHSNot for Resale
6、No reproduction or networking permitted without license from IHS-,-,-MILITARY MIL-V-17 3 MIL-P-514 MIL-T-7 04 MIL-L-210 4 MIL-R-3 07 5 MIL-F-354 1 MIL-G-3859 Iff L-G-10924 MIL-G- 2 3 82 7 MIL-T-5 2510 MIL-E-52929 STANDARD MIL-STD-20 9 MIL-STD-8 8 9 MIL-STD-14 74 3548 9 MS35643 MS3 5644 MS3 5645 MS53
7、063 MI L-R- 5 24 9 9 C(m) - Varnish, Moisture and Fungus-Resistant, (For Treatment of Communications, Electronic, and Associated Equipment). - Plates, Identification, Instruction and Marking, Blank. - Treatment and Painting of Materiel. - Lubricating Oil, Internal Combustion Engine - Roller, Motoriz
8、ed, Road, Diesel or - Fittings, Lubrication. - Grease Guns, Hand, High-pressure, Lever- Operated; Cartridge and Bulk Loading (14 Ounce and 21 Ounce Capacityj. Tactical Service, Gasoline-Engine-Driven, Packaging of. - Grease, Automotive and Artillery. - Grease, Aircraft and Instrument, Gear ana - Tra
9、ctor, Full Tracked, Low-Speea, Diesel Actuator Screw. Engine-Driven, Air-Droppable and Helicopter Transportable. - Enamel, Alkyo, Cemouflage, Flash Dry. Identification Marking o f U. S Military Property. Slinging Eyes and Attachments or Lifting and Tying Down of Military Equipment. Dissimilar Metals
10、. Noise Limits for Army Material, Grommet, Rubber, Hot Oil and Coolant Resistant. Gasket: Cap, Fuel Tank. Filler Neck Assembly, Fuel Tank-Military Vehicles. Cap, Fuel Tank-Tactieal Vehicle, Fording. Indicator, Air Cleaner, Intake; Restriction Mechanical Type. (Copies of specifications, standards, an
11、d drawings required by contractors in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer. ) 2.2 Other publications. The following document(s) form a part of this speeificatisn to the extent specified herein. The i
12、ssues of the documents which arc indicated as DoD adopted shall be the issue listed in the current DoDISS and the supplement thereto, if applicable. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-52499C(ME) SOCIETY OF AUTOMOTIVE ENGINEERS (S
13、AE 1 I. SAE Handbook. (Application for copies should be addressed to the Society of Automotive Engineers, 400 Commonwealth Drive, Warrendale, PA 15096.) (Industry association specifications and standards are generally available for re.ference from libraries. using Federal agencies. ) They are also d
14、istributed among technical groups and 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 Description. The smooth drum, vibratory, airmobile, single drum,
15、 towed roller (hereinafter called “roller“) shall consist of a vibrating mechanism contained within a drum, a frame, a front drawbar with towing hitch, a rear clevis, replaceable drum cleaners, diesel engine, vibrating mechanism and remote control. 3.1.1 Performance. The roller shall withstand rough
16、 operation encountered when towed over loose fill dirt, excavation areas, and rock ill areas. The roller shall be capable of performing at its rated capability when towed by crawler tractors, rubber-tired tractors or trucks (as required). The roller shall be capable of performing as specified herein
17、 after being transported by truck, trailer or as an internal or slung load from helicopter organic to airmobile military o per at ions. a 3.1.2 Dimensions and weight. The type I and type II rollers shall conform to the requirements listed in table I. TABLE I. Dimensions, weight and dynamic force. Re
18、quirements i Type I : Type II r L Overall height, maximum 72 in. i 72 in. Overall width, maximum i 68 in. i 88 in. Drum diameter 28 to 32 in. I48 to 52 in. 1 54 to 60 in. I 58 to 66 in. I i Drum width Drum shell and head Empty weight, maximum 5000 lb. i 10,000 lb. Centrifugal force, minimum 1 10,000
19、 lb. I 18,000 lb. I i thickness, minimum 1 5/8 in. I 3/4 in. I I I 3.2 First article (preproduction model). Unless otherwise specified (see 6.21, the contractor shall furnish one or more rollers for examination and 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without licens
20、e from IHS-,-,-MIL-R-52499C(m) testing within the time frame specified (see 6.21, to prove prior to starting production that his production methods and choice of design detail will produce rollere that comply with the requirements of this specification. Examination and tests shall be as specified in
21、 Section 4 and unless otherwise specified herein, all examinations and tests shall be conducted by the contractor subject to surveillance and approval by the Government (see 6.3). 6,2), the Government will conduct any or all of the preproduction examination and tests, as specified (see 6.2). When sp
22、ecified (see 3.3 Production rollers. All rollers furnishea under this specification shall be physically and mechanically identical to the first article rollers approved by the Government (see 6.3) . 3.4 tfaterial. Material shall be as specified herein, Material not specified shall. be selected by th
23、e contractor and shall be subject to all provisions of this specification (see 6.6) . Materials and special treatments utilized shall provide protection against the various forms of corrosion and deterioration that may be encountered in any of the applicable operating and storage environments to whi
24、ch the item may be exposed. 3.4.1 Dissimilar metals. Dissimilar metals as defined in MIL-STD-889 shall not be used in intimate contact without suitable protection in order to prevent or mimimize galvanic corrosion. 3*4.2 Identification of materials and finishes. The contractor shall identify the spe
25、cific material, material finish or treatment for use with components and subcomponents, and shall make information available, upon request, to the contracting officer or his/her designated representative. 3.5 Safety anil human actors. 3.5.1 Safety. All rotating or reciprocating parts, and all parts
26、subject to high operational temperature that are of such nature or are so located as to be, or become, a hazard to operating or maintenance personnel shall be guarded or insulated to the extent necessary to eliminate the hazard. 56eps, and ladder rungs shall have antiskid surfaces, directed 60 as no
27、t: to endanger personnel or obstruct the view of the operator. Fuel tanke shall be located in a manner which will not allow spills and overflows to run onto the engine, exhaust, or electrical equipment, equipment shall be insulated, fully enclosed, or guarded. edges, projecting points and protruding
28、 length more than two full threads of fastening devices shall be avoided. All platforms, All exhausts shall be Electrical Nonfunctional sharp 3.5.2 Noise level. 3.5.2.1. Exterior noise. The exterior sound level of the roller shall not exceed 88dB(A) when measured in accordance with CAE 588. 3,5,2.2
29、Personnel noise, The sound level at the operators starting position or starting the roller shall be 85dB(A) or less when measured in accordance with SAE J919. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-52499C 38 m 9999906 0239929 7 m MIL
30、-R-52499C (ME) 3.6 Maintenance. 3.6.1 Maintainability. All major assemblies and installed attachments shall be accessible for maintenance, repair, and replacement with minimum removal of other major assemblies and installed attachments. Covers or plates which must be removed for component adjustment
31、 or maintenance shall be equipped with quick-disconnect fastenings. Drain outlets shall be accessible. Ease of maintenance provisions shall incorporate features insuring operating clearances for handtools and lubricating equipment, and the accessibility for service operations such as adding oil to t
32、he engine crankcase and adding oil to gear cases. Each maintenance, assembly, or disassembly operation required during testing in accordance with 4.3 shall be accomplished by no more than two men (except a hoist and operator may be used as necessary) using special tools furnished with the roller and
33、 common tools. operation, the roller shall operate as specified herein. After completion of any maintenance 3.6.2 Interchangeability. functionally and dimensionally interchangeable. devices such as bolts, nuts, screws, and washers shall be held to a minimum number of types and sizes. All parts havin
34、g the same part number shall be Common hardware and fastening 3.7 Frame. The frame shall be constructed of structural steel shapes or The frame shall be isolated from the drum and vibrating mechanism. plates. frame shall incorporate a drawbar and adjustable retractable support leg. The 3.7.1 Drawbar
35、. The drawbar shall permit pulling and pushing the roller. The roller shall be capable of being coupled for towing after being stabilized in parking position by the support leg (see 3.7). drawbar shall be equipped with a lunette ring. to SAE 5847. height range from 27 to 33 inches. Unless otherwise
36、specified, the The lunette ring shall conform The drawbar lunette ring mounting shall provide a lunette ring 3.7.2 Crawler tractor drawbar. When specified (see 6.2) the roller drawbar and lunette ring shall be compatible with a crawler tractor drawbar conforming to SAE J749a, pin size 1.75. 3.7.3 dr
37、awbar. inches. not less than 10 inches ground clearance. positive locking into park and operational (travel) position. shall incorporate a self-alining pad which will provide a ground bearing load not greater than 20 pounds per square inch when the maximum drawbar weight is imposed. Support leg. The
38、 support leg shall be vertically adjustable for not less than 12 The support leg shall either retract or be hinged and fold to provide The support leg An adjustable support leg shall be mounted on the The support leg shall be arranged for The edges of the pad shall be turned up. 3.8 - Drum. The shel
39、l and heads of the drum shall be constructed of steel plates, which shall be of the thickness specified in table I. of the shell shall be smooth, welded and the heads shall not incorporate provisions for ballasting. The outer surface The joints between shell and heads shall be 5 Provided by IHSNot f
40、or ResaleNo reproduction or networking permitted without license from IHS-,-,-3.9 Axles and bearings, The drum shall be supported to provide independent rolling capabilities. drum. collar connected to the drum and turning on the vibrating axle shaft. The vibrating axle and drum shall be equipped wit
41、h either antifriction bearings or bronze bushings or graphite impregnated phenolic resin laminated bushings. Appropriate lubrication points shall be provided. shall hava adequate thrust capacity for operation under al1 field conditions. The vibrating shaft shall extend entirely through the The vibra
42、ting shaft: may act as a drum axle through the use of a hollow The drum support bearings 3.10 Cleaners. Replaceable cleaners shall be provided over the full width of the drum and shall prevent accumulation of dirt on the drum when the roller is towed in both the forward or reverse direction. The cle
43、aners shall be adjustable to provide a minimum clearance of 3/8 inch between drum and cleaners. cleaners, the cleaners shall incorporate provisions to prevent accumulation of dirt above the cleaners . Since this clearance will permit dirt to pass between drum and 3.11 Rear clevis(s) A rear clevis sh
44、all be proviaed and positioned on the longitudinal centerline of the roller. shall be of such size to accommodate a lunette as specified in 3.7.1, Unless otherwise specified the clevis 3.19. Power unit, The roller shall be powered by a commercial diesel engine having horsepower, torque, and speed ch
45、aracteristics to satisfactorily meet all performance requirements specified herein. The engine shall be equipped with a 12 volt or 24 volt electrical cranking system. The electric cranking system shall include but not be limited to the following: an electric starter, alternator, voltage regulator, b
46、attery and a Il other accessories required to complete the cranking system. The engine shall be mounted as to prevent damage to the engine and attached engine external accessories by load sling cables, when the roller is being transported as a slung load from helicopters specified, The engine shall
47、be equipped with an instrument: panel, shall be located in a protected enclosure and shall be isolated so as to dampen the vibration effects, accessories: The panel The engine shall be provided with the following a. b. C. d. E. g. h i. e, Ammeter or voltmeter. Oil pressure indicator. Oil filter. Air
48、 cleaner, dry type. Throttle control, Coolant temperature gage (as applicable) . Iligh temperature cut off switch. Low oil pressure cut off switch. Hourme t e r-t ac home ter ( comb inat io n un i t ) . The engine shall be capable of operating continuously at rated load in an ambient temperature of
49、120 F without exceeding the maximum allowable best temperatures established by the engine manufacturer. requirement is acceptable (see 4.5.2.3). Certification to this 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-52497C 38 7799906 0239933 7 H MIL-R-5 2499C(E) 3.12.1 Fuel tank. A fuel tank conforming to the contractors comercial standards, except as specified herein, shall be provided. The tank
